Laboratories, 1969 Box 19, Folder 6 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Correspondence, 1912-1990Litter, David
Laboratory, 1929-1977 Box 28, Folder 14 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Photographs, 1929-1977
Lacquers report, 1906-1991 Box 4, Folder 13 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Research and professional files, 1906-1991
Lake Harbor, 1929-1977 Box 28, Folder 15 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Photographs, 1929-1977
Landon, Ed, 1970 Box 18, Folder 15 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Correspondence, 1912-1990
Latexture, 1945 Box 18, Folder 16 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Correspondence, 1912-1990
Laudatory letters from artists, 1938-1979 Box 18, Folder 17-18 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Correspondence, 1912-1990
Law School, 1962 Box 16, Folder 15 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Correspondence, 1912-1990Columbia
Lecture notes, 1975 Box 10, Folder 7 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Teaching and lecturing files, 1930-1981Columbia University
Lectures: correspondence and materials, 1965-1977 Box 18, Folder 19 Bookmark Collection Context Yale University -Manuscripts and Archives Ralph Mayer papers, 1870-1991Correspondence, 1912-1990